申请人:Dainippon Pharmaceutical Co., Ltd.
公开号:EP0094804A1
公开(公告)日:1983-11-23
Novel glucosaminyl muramyl peptide derivatives of the formula:
wherein X is hydrogen atom or a group of the formula: R1CO-, Y is hydroxy group or a group of the formula: -OR2,
or
R, is an alkyl or alkenyl group, R2 is a lower alkyl group or a phenylalkyl group, R3 and r4 are the same or different and are each hydrogen atom or an alkyl group, Y' is hydroxy group or a group of the formula: -OR2 or
(D) and (L) mean the configuration, provided that when X is hydrogen atom, Y is a group of the formula:
or
and their pharmaceutically acceptable salts. They have excellent biological activities such as potentiating activity of nonspecific resistance to microbial infections and immunostimulant activity and hence are useful in the prophylaxis and treatment of various microbial infections and the treatment of cancer in mammals.
式中的新型葡糖胺基 muramyl 肽衍生物:
其中 X 是氢原子或式中的一个基团:R1CO-,Y 是羟基或式中的基团:-OR2、
或
R,是烷基或烯基,R2 是低级烷基或苯基烷基,R3 和 r4 相同或不同且各自是氢原子或烷基,Y' 是羟基或式中的基团:-OR2或
(D)和(L)指构型,条件是当 X 为氢原子时,Y 为式中的基团:
或
及其药学上可接受的盐类。它们具有优异的生物活性,如增强对微生物感染的非特异性抵抗活性和免疫刺激活性,因此可用于预防和治疗各种微生物感染以及治疗哺乳动物的癌症。